#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50
  [Error: raise.c was not found in source tree]
#1  0x0000561cf807f52a in dump_gjs_stack_on_signal_handler ()
#2  <signal handler called>
#3  0x00007f74f6fbe012 in meta_get_window_actors (display=0x561cf9296020) at ../src/compositor/compositor.c:278
  [Error: compositor.c was not found in source tree]
#4  0x00007f74f7e7ad8e in shell_global_get_window_actors () from /tmp/apport_sandbox_v7bw9_q0/usr/lib/gnome-shell/libgnome-shell.so
#5  0x00007f74f60ea81e in ffi_call_unix64 () at ../src/x86/unix64.S:76
  [Error: unix64.S was not found in source tree]
#6  0x00007f74f60ea1ef in ffi_call (cif=<optimized out>, fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>) at ../src/x86/ffi64.c:525
  [Error: ffi64.c was not found in source tree]
#7  0x00007f74f72cc492 in ?? ()
#8  0x000003ff00000253 in ?? ()
#9  0x00007ffc5fa8cc20 in ?? ()
#10 0x0000000000000000 in ?? ()